﻿  //        <div>
  //            <input type="text" name="time1" id="time1" onclick="MyCalendar.SetDate(this)" value="2006-8-1" />
  //            <input type="text" name="time2" id="time2" value="2006-8-1" /><input name="" type="button"
  //                onclick="MyCalendar.SetDate(this,document.getElementById('time2'))" value="选择" />
  //        </div>
  
  function L_calendar(){}
  L_calendar.prototype={
	  _VersionInfo:"Version:1.0&#13;作者: lingye",
	  Moveable:true,
	  NewName:"",
	  insertId:"",
	  ClickObject:null,
	  InputObject:null,
	  InputDate:null,
	  IsOpen:false,
	  MouseX:0,
	  MouseY:0,
	  GetDateLayer:function(){
		  return window.L_DateLayer;
		  },
	  L_TheYear:new Date().getFullYear(), //定义年的变量的初始值
	  L_TheMonth:new Date().getMonth()+1,//定义月的变量的初始值
	  L_WDay:new Array(39),//定义写日期的数组
	  MonHead:new Array(31,28,31,30,31,30,31,31,30,31,30,31),    		   //定义阳历中每个月的最大天数
	  GetY:function(){
		  var obj;
		  if (arguments.length > 0){
			  obj==arguments[0];
			  }
		  else{
			  obj=this.ClickObject;
			  }
		  if(obj!=null){
			  var y = obj.offsetTop;
			  while (obj = obj.offsetParent) y += obj.offsetTop;
			  return y;}
		  else{return 0;}
		  },
	  GetX:function(){
		  var obj;
		  if (arguments.length > 0){
			  obj==arguments[0];
			  
			  }
		  else{
			  obj=this.ClickObject;
			  }
		  if(obj!=null){
			  var y = obj.offsetLeft;
			  while (obj = obj.offsetParent) y += obj.offsetLeft;
			  return y;}
		  else{return 0;}
		  },
	  CreateHTML:function(){
		  var htmlstr="";
		  htmlstr+="<div id=\"L_calendar\">\r\n";
		  htmlstr+="<span id=\"SelectYearLayer\" style=\"z-index: 9999;position: absolute;top: 3; left: 19;display: none\"></span>\r\n";
		  htmlstr+="<span id=\"SelectMonthLayer\" style=\"z-index: 9999;position: absolute;top: 3; left: 78;display: none\"></span>\r\n";
		  htmlstr+="<div id=\"L_calendar-year-month\"><div id=\"L_calendar-PrevM\" onclick=\"parent."+this.NewName+".PrevM()\" title=\"前一月\"><b>&lt;</b></div><div id=\"L_calendar-year\" onmouseover=\"style.backgroundColor='#FFD700'\" onmouseout=\"style.backgroundColor='white'\" onclick=\"parent."+this.NewName+".SelectYearInnerHTML('"+this.L_TheYear+"')\"></div><div id=\"L_calendar-month\"  onmouseover=\"style.backgroundColor='#FFD700'\" onmouseout=\"style.backgroundColor='white'\" onclick=\"parent."+this.NewName+".SelectMonthInnerHTML('"+this.L_TheMonth+"')\"></div><div id=\"L_calendar-NextM\" onclick=\"parent."+this.NewName+".NextM()\" title=\"后一月\"><b>&gt;</b></div></div>\r\n";
		  htmlstr+="<div id=\"L_calendar-week\"><ul  onmouseup=\"StopMove()\"><li>日</li><li>一</li><li>二</li><li>三</li><li>四</li><li>五</li><li>六</li></ul></div>\r\n";
		  htmlstr+="<div id=\"L_calendar-day\">\r\n";
		  htmlstr+="<ul>\r\n";
		  for(var i=0;i<this.L_WDay.length;i++){
			  htmlstr+="<li id=\"L_calendar-day_"+i+"\" style=\"background:#e0e0e0\" onmouseover=\"this.style.background='#FFD700'\"  onmouseout=\"this.style.background='#e0e0e0'\"></li>\r\n";
			  }
		  htmlstr+="</ul>\r\n";
		  htmlstr+="<span id=\"L_calendar-today\" onclick=\"parent."+this.NewName+".Today()\"><b>Today</b></span>\r\n";
		  htmlstr+="</div>\r\n";
		  //htmlstr+="<div id=\"L_calendar-control\"></div>\r\n";
		  htmlstr+="</div>\r\n";
		  htmlstr+="<scr" + "ipt type=\"text/javas" + "cript\">\r\n";
		  htmlstr+="var MouseX,MouseY;";
		  htmlstr+="var Moveable="+this.Moveable+";\r\n";
		  htmlstr+="var MoveaStart=false;\r\n";
		  htmlstr+="document.onmousemove=function(e)\r\n";
		  htmlstr+="{\r\n";
		  htmlstr+="var DateLayer=parent.document.getElementById(\"L_DateLayer\");\r\n";
		  htmlstr+="	e = window.event || e;\r\n";
		  htmlstr+="var DateLayerLeft=DateLayer.style.posLeft || parseInt(DateLayer.style.left.replace(\"px\",\"\"));\r\n";
		  htmlstr+="var DateLayerTop=DateLayer.style.posTop || parseInt(DateLayer.style.top.replace(\"px\",\"\"));\r\n";
		  htmlstr+="if(MoveaStart){DateLayer.style.left=(DateLayerLeft+e.clientX-MouseX)+\"px\";DateLayer.style.top=(DateLayerTop+e.clientY-MouseY)+\"px\"}\r\n";
		  htmlstr+=";\r\n";
		  htmlstr+="}\r\n";
		  
		  htmlstr+="document.getElementById(\"L_calendar-week\").onmousedown=function(e){\r\n";
		  htmlstr+="if(Moveable){MoveaStart=true;}\r\n";
		  htmlstr+="	e = window.event || e;\r\n";
		  htmlstr+="  MouseX = e.clientX;\r\n";
		  htmlstr+="  MouseY = e.clientY;\r\n";
		  htmlstr+="	}\r\n";
		  
		  htmlstr+="function StopMove(){\r\n";
		  htmlstr+="MoveaStart=false;\r\n";
		  htmlstr+="	}\r\n";
		  htmlstr+="</scr"+"ipt>\r\n";
		  var stylestr="";
		  stylestr+="<style type=\"text/css\">";
		  stylestr+="body{background:#fff;font-size:12px;margin:0px;padding:0px;text-align:left}\r\n";
		  stylestr+="#L_calendar{border:1px solid blue;width:158px;padding:1px;height:180px;z-index:9998;text-align:center}\r\n";
		  stylestr+="#L_calendar-year-month{height:23px;line-height:23px;z-index:9998;}\r\n";
		  stylestr+="#L_calendar-year{line-height:23px;width:60px;float:left;z-index:9998;position: absolute;top: 3; left: 19;cursor:default}\r\n";
		  stylestr+="#L_calendar-month{line-height:23px;width:48px;float:left;z-index:9998;position: absolute;top: 3; left: 78;cursor:default}\r\n";
		  stylestr+="#L_calendar-PrevM{position: absolute;top: 3; left: 5;cursor:pointer}"
		  stylestr+="#L_calendar-NextM{position: absolute;top: 3; left: 145;cursor:pointer}"
		  stylestr+="#L_calendar-week{height:23px;line-height:23px;z-index:9998;}\r\n";
		  stylestr+="#L_calendar-day{height:136px;z-index:9998;}\r\n";
		  stylestr+="#L_calendar-week ul{cursor:move;list-style:none;margin:0px;padding:0px;}\r\n";
		  stylestr+="#L_calendar-week li{width:20px;height:20px;float:left;;margin:1px;padding:0px;text-align:center;}\r\n";
		  stylestr+="#L_calendar-day ul{list-style:none;margin:0px;padding:0px;}\r\n";
		  stylestr+="#L_calendar-day li{cursor:pointer;width:20px;height:20px;float:left;;margin:1px;padding:0px;}\r\n";
		  stylestr+="#L_calendar-control{height:25px;z-index:9998;}\r\n";
		  stylestr+="#L_calendar-today{cursor:pointer;float:left;width:63px;height:20px;line-height:20px;margin:1px;text-align:center;background:red}"
		  stylestr+="</style>";
		  var TempLateContent="<html>\r\n";
		  TempLateContent+="<head>\r\n";
		  TempLateContent+="<title></title>\r\n";
		  TempLateContent+=stylestr;
		  TempLateContent+="</head>\r\n";
		  TempLateContent+="<body>\r\n";
		  TempLateContent+=htmlstr;
		  TempLateContent+="</body>\r\n";
		  TempLateContent+="</html>\r\n";
		  this.GetDateLayer().document.writeln(TempLateContent);
		  this.GetDateLayer().document.close();
		  },
	  InsertHTML:function(id,htmlstr){
		  var L_DateLayer=this.GetDateLayer();
		  if(L_DateLayer){L_DateLayer.document.getElementById(id).innerHTML=htmlstr;}
			},
	  WriteHead:function (yy,mm)  //往 head 中写入当前的年与月
	  {
		  this.InsertHTML("L_calendar-year",yy + " 年");
		  this.InsertHTML("L_calendar-month",mm + " 月");
	  },
	  IsPinYear:function(year)            //判断是否闰平年
	  {
		  if (0==year%4&&((year%100!=0)||(year%400==0))) return true;else return false;
	  },
	  GetMonthCount:function(year,month)  //闰年二月为29天
	  {
		  var c=this.MonHead[month-1];if((month==2)&&this.IsPinYear(year)) c++;return c;
	  },
	  GetDOW:function(day,month,year)     //求某天的星期几
	  {
		  var dt=new Date(year,month-1,day).getDay()/7; return dt;
	  },
	  GetText:function(obj){
		  if(obj.innerText){return obj.innerText}
		  else{return obj.textContent}
		  },
	  PrevM:function()  //往前翻月份
	  {
		  if(this.L_TheMonth>1){this.L_TheMonth--}else{this.L_TheYear--;this.L_TheMonth=12;}
		  this.SetDay(this.L_TheYear,this.L_TheMonth);
	  },
	  NextM:function()  //往后翻月份
	  {
		  if(this.L_TheMonth==12){this.L_TheYear++;this.L_TheMonth=1}else{this.L_TheMonth++}
		  this.SetDay(this.L_TheYear,this.L_TheMonth);
	  },
	  Today:function()  //Today Button
	  {
		  var today;
		  var mydate=new Date();
		  this.L_TheYear = new Date().getFullYear();
		  this.L_TheMonth = new Date().getMonth()+1;
		  today=new Date().getDate();
		  if(this.InputObject){
		  this.InputObject.value=this.L_TheYear + "-" + this.L_TheMonth + "-" + today+' '+mydate.getHours()+':'+mydate.getMinutes()+':'+mydate.getSeconds();;
		  }
		  this.CloseLayer();
	  },
	  SetDay:function (yy,mm)   //主要的写程序**********
	  {
		  this.WriteHead(yy,mm);
		  //设置当前年月的公共变量为传入值
		  this.L_TheYear=yy;
		  this.L_TheMonth=mm;
		  //当页面本身位于框架中时 IE会返回错误的parent
		  if(window.top.location.href!=window.location.href){
			  for(var i_f=0;i_f<window.top.frames.length;i_f++){
				  if(window.top.frames[i_f].location.href==window.location.href){L_DateLayer_Parent=window.top.frames[i_f];}
			  }
		  }
		  else{
			  L_DateLayer_Parent=window.parent;
			  }
		  for (var i = 0; i < 39; i++){this.L_WDay[i]=""};  //将显示框的内容全部清空
		  var day1 = 1,day2=1,firstday = new Date(yy,mm-1,1).getDay();  //某月第一天的星期几
		  for (i=0;i<firstday;i++)this.L_WDay[i]=this.GetMonthCount(mm==1?yy-1:yy,mm==1?12:mm-1)-firstday+i+1	//上个月的最后几天
		  for (i = firstday; day1 < this.GetMonthCount(yy,mm)+1; i++){this.L_WDay[i]=day1;day1++;}
		  for (i=firstday+this.GetMonthCount(yy,mm);i<39;i++){this.L_WDay[i]=day2;day2++}
		  for (i = 0; i < 39; i++)
		  {
			  var da=this.GetDateLayer().document.getElementById("L_calendar-day_"+i+"");
			  var month,day;
			  if (this.L_WDay[i]!="")
			  { 
				  if(i<firstday){
					  da.innerHTML="<b style=\"color:gray\">" + this.L_WDay[i] + "</b>";
					  month=(mm==1?12:mm-1);
					  day=this.L_WDay[i];
				  }
				  else if(i>=firstday+this.GetMonthCount(yy,mm)){
					  da.innerHTML="<b style=\"color:gray\">" + this.L_WDay[i] + "</b>";
					  month=(mm==1?12:mm+1);
					  day=this.L_WDay[i];
				  }
				  else{
					  da.innerHTML="<b style=\"color:#000\">" + this.L_WDay[i] + "</b>";
					  month=(mm==1?12:mm);
					  day=this.L_WDay[i];
					  if(document.all){
						  da.onclick=Function("L_DateLayer_Parent."+this.NewName+".DayClick("+month+","+day+")");
					  }
					  else{
						  da.setAttribute("onclick","parent."+this.NewName+".DayClick("+month+","+day+")");
					  }
				  }
				  da.title=month+" 月"+day+" 日";
				  da.style.background=(yy == new Date().getFullYear()&&month==new Date().getMonth()+1&&day==new Date().getDate())? "#FFD700":"#e0e0e0";
				  if(this.InputDate!=null){
					  if(yy==this.InputDate.getFullYear() && month== this.InputDate.getMonth() + 1 && day==this.InputDate.getDate()){
						  da.style.background="#0650D2";
						  }
					  }
			  }
		  }
	  },
	  SelectYearInnerHTML:function (strYear) //年份的下拉框
	  {
		  if (strYear.match(/\D/)!=null){alert("年份输入参数不是数字！");return;}
		  var m = (strYear) ? strYear : new Date().getFullYear();
		  if (m < 1000 || m > 9999) {alert("年份值不在 1000 到 9999 之间！");return;}
		  var n = m - 10;
		  if (n < 1000) n = 1000;
		  if (n + 26 > 9999) n = 9974;
		  var s = "<select name=\"L_SelectYear\" id=\"L_SelectYear\" style='font-size: 12px' "
			  s += "onblur='document.getElementById(\"SelectYearLayer\").style.display=\"none\"' "
			  s += "onchange='document.getElementById(\"SelectYearLayer\").style.display=\"none\";"
			  s += "parent."+this.NewName+".L_TheYear = this.value; parent."+this.NewName+".SetDay(parent."+this.NewName+".L_TheYear,parent."+this.NewName+".L_TheMonth)'>\r\n";
		  var selectInnerHTML = s;
		  for (var i = n; i < n + 26; i++)
		  {
			  if (i == m)
			  {selectInnerHTML += "<option value='" + i + "' selected>" + i + "年" + "</option>\r\n";}
			  else {selectInnerHTML += "<option value='" + i + "'>" + i + "年" + "</option>\r\n";}
		  }
		  selectInnerHTML += "</select>";
		  var DateLayer=this.GetDateLayer();
		  DateLayer.document.getElementById("SelectYearLayer").style.display="";
		  DateLayer.document.getElementById("SelectYearLayer").innerHTML = selectInnerHTML;
		  DateLayer.document.getElementById("L_SelectYear").focus();
		  },
	  SelectMonthInnerHTML:function (strMonth) //月份的下拉框
	  {
		  if (strMonth.match(/\D/)!=null){alert("月份输入参数不是数字！");return;}
		  var m = (strMonth) ? strMonth : new Date().getMonth() + 1;
		  var s = "<select name=\"L_SelectYear\" id=\"L_SelectMonth\" style='font-size: 12px' "
			  s += "onblur='document.getElementById(\"SelectMonthLayer\").style.display=\"none\"' "
			  s += "onchange='document.getElementById(\"SelectMonthLayer\").style.display=\"none\";"
			  s += "parent."+this.NewName+".L_TheMonth = this.value; parent."+this.NewName+".SetDay(parent."+this.NewName+".L_TheYear,parent."+this.NewName+".L_TheMonth)'>\r\n";
		  var selectInnerHTML = s;
		  for (var i = 1; i < 13; i++)
		  {
			  if (i == m)
			  {selectInnerHTML += "<option value='"+i+"' selected>"+i+"月"+"</option>\r\n";}
			  else {selectInnerHTML += "<option value='"+i+"'>"+i+"月"+"</option>\r\n";}
		  }
		  selectInnerHTML += "</select>";
		  var DateLayer=this.GetDateLayer();
		  DateLayer.document.getElementById("SelectMonthLayer").style.display="";
		  DateLayer.document.getElementById("SelectMonthLayer").innerHTML = selectInnerHTML;
		  DateLayer.document.getElementById("L_SelectMonth").focus();
	  },
	  DayClick:function(mm,dd)  //点击显示框选取日期，主输入函数*************
	  {
		  var yy=this.L_TheYear;
		  var mydate=new Date();
		  //判断月份，并进行对应的处理
		  if(mm<1){yy--;mm=12+mm;}
		  else if(mm>12){yy++;mm=mm-12;}
		  if (mm < 10){mm = "0" + mm;}
		  if (this.ClickObject)
		  {if (!dd) {return;}
		  if ( dd < 10){dd = "0" + dd;}
		  this.InputObject.value= yy + "-" + mm + "-" + dd+' '+mydate.getHours()+':'+mydate.getMinutes()+':'+mydate.getSeconds(); //注：在这里你可以输出改成你想要的格式
		  this.CloseLayer();
		  }
		  else {this.CloseLayer(); alert("您所要输出的控件对象并不存在！");}
	  },
	  SetDate:function(){
		  if (arguments.length <  1){alert("对不起！传入参数太少！");return;}
		  else if (arguments.length >  2){alert("对不起！传入参数太多！");return;}
		  this.InputObject=(arguments.length==1) ? arguments[0] : arguments[1];
		  this.ClickObject=arguments[0];
		  var reg = /^(\d+)-(\d{1,2})-(\d{1,2})$/;
		  var r = this.InputObject.value.match(reg); 
		  if(r!=null){
			  r[2]=r[2]-1; 
			  var d= new Date(r[1], r[2],r[3]); 
			  if(d.getFullYear()==r[1] && d.getMonth()==r[2] && d.getDate()==r[3]){
				  this.InputDate=d;		//保存外部传入的日期
			  }
			  else this.InputDate="";
			  this.L_TheYear=r[1];
			  this.L_TheMonth=r[2]+1;
			  }
		  else{
			  this.L_TheYear=new Date().getFullYear();
			  this.L_TheMonth=new Date().getMonth() + 1
			  }
		  this.CreateHTML();
		  var top=this.GetY();
		  var left=this.GetX();
		  var DateLayer=document.getElementById("L_DateLayer");
		  DateLayer.style.top=top+this.ClickObject.clientHeight+5+"px";
		  DateLayer.style.left=left+"px";
		  DateLayer.style.display="block";
		  if(document.all){
			  this.GetDateLayer().document.getElementById("L_calendar").style.width="160px";
			  this.GetDateLayer().document.getElementById("L_calendar").style.height="180px"
			  }
		  else{
			  this.GetDateLayer().document.getElementById("L_calendar").style.width="154px";
			  this.GetDateLayer().document.getElementById("L_calendar").style.height="180px"
			  DateLayer.style.width="158px";
			  DateLayer.style.height="185px";
			  }
		  //alert(DateLayer.style.display)
		  this.SetDay(this.L_TheYear,this.L_TheMonth);
		  },
	  CloseLayer:function(){
		  try{
			  var DateLayer=document.getElementById("L_DateLayer");
			  if((DateLayer.style.display=="" || DateLayer.style.display=="block") && arguments[0]!=this.ClickObject && arguments[0]!=this.InputObject){
				  DateLayer.style.display="none";
			  }
		  }
		  catch(e){}
		  }
	  }
	  
  document.writeln('<iframe id="L_DateLayer" name="L_DateLayer" frameborder="0" style="position:absolute;width:160px; height:200px;z-index:9998;display:none;"></iframe>');
  var L_DateLayer_Parent=null;
  var MyCalendar=new L_calendar();
  MyCalendar.NewName="MyCalendar";
  document.onclick=function(e)
  {
	  e = window.event || e;
	  var srcElement = e.srcElement || e.target;
	  MyCalendar.CloseLayer(srcElement);
  }